When your CPV O-ring fails it causes a slow oil leak on the passenger side of the engine, making an oily mess that frequently resembles a rear main seal leak. Replacing the CPV with an upgraded o-ring ensures a long-term solution to this common problem.
The factory o-ring over time fails from heat cycling and oil exposure due to the Buna rubber used in OEM o-rings, while the included Viton Fluoroelastomer is resistant to a much higher temperature to ensure prolonged life without leaking.
This valve is located in a tight space underneath the exhaust manifold and is a difficult repair - unless you have the appropriate socket to install and removal in these tight quarters. Don't fear: we include this socket.
Do it once, do it properly.
